package com.bxait.toymail.seckill.schedule;

import com.bxait.toymail.seckill.service.SecKillService;
import jdk.nashorn.internal.ir.annotations.Reference;
import lombok.extern.slf4j.Slf4j;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import java.util.concurrent.TimeUnit;

/*
@description: 定时任务,上架最近需要秒杀的商品
@ClassName SecKillSkuScheduled
@author Chen
@create 2023-04-30 10:32
@Version 1.0
*/
@Slf4j
@Service
public class SecKillSkuScheduled {

    @Reference
    @Qualifier("secKillService")
    SecKillService secKillService;

    @Reference
    RedissonClient redissonClient;

    private  final String  upload_lock = "secKill:upload:lock";

    @Scheduled(cron = "0 0 3 * * ?")
    public void uploadSecKillSkuLatest3Days(){
        // 1、重复上架无需处理
        log.info("上架秒杀的商品信息...");
        // 分布式锁。锁的业务执行完成，状态已经更新完成。释放锁以后。其他人获取到就会拿到最新的状态。
        RLock lock = redissonClient.getLock(upload_lock);
        lock.lock(10, TimeUnit.SECONDS);
        try{
            secKillService.uploadSecKillSkuLatest3Days();
        }finally {
            lock.unlock();
        }

    }

}
